US3337154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control system for coiling apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1966-02-16
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Granted: 1967-08-22
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Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick J Smith
- 👤 David M Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:24
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; B; B21; B21C; B21C1/00; B21C1/02; B21C1/12; B21C47/00; B21C47/003; B65; B65H; B65H54/00; B65H54/76; B65H54/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
IN A SYSTEM OF THE TYPE IN WHICH A CONTINUOUS WORKPIECE WOUND ABOUT A ROTATING DRUM IS DISCHARGED INTO A ROTATING RECEPTACLE TO FORM SPIRAL LAYERS OF THE CONTINOUS WORKPIECE; THE COMBINATION OF FIRST ELECTIRCAL MOTOR MEANS FOR FORCIBLY ROTATING SAID DRUM, SECOND ELECTRICAL MOTOR MEANS FOR ROTATING SAID RECEPTACLE, MEANS FOR GENERATING A FIRST ELECTRICAL SIGNAL VL WHICH VARIES AS A FUNCTION OF THE SPEED OF THE FIRST MOTOR MEANS, MEANS FOR GENERATING A SECOND ELECTRICAL SIGNAL VR WHICH VARIES AS A FUNCTION OF THE SPEED OF THE SECOND MOTOR MEANS, AND CONTROL CIRCUIT APPARATUS RESPONSIVE TO SAID FIRST AND SECOND ELECTRICAL SIGNALS FOR CAUSING SAID SECOND ELECTRICAL MOTOR MEANS TO CYCLICALLY INCREASE AND DECREASE ITS SPEED WITH RESPECT TO SAID FIRST MOTOR MEANS WHEREBY A FIRST SPIRAL LAYER OF INCREASING DIAMETER WILL BE FORMED IN SAID RECEPTACLE WHEN THE SPEED OF THE SECOND MOTOR MEANS DECREASES WITH RESPECT TO THAT OF THE FIRST MOTOR MEANS AND A SECOND SPIRAL LAYER OF DECREASING DIAMETER WILL BE FORMED OVER THE FIRST LAYER IN THE RECEPTACLE WHEN THE SPEED OF THE SECOND MOTOR MEANS INCREASES WITH RESPECT TO THAT OF THE FIRST MOTOR MEANS.
Claim 2
Dependent Claim
193 words
IN A SYSTEM OF THE TYPE IN WHICH A CONTINUOUS WORKPIECE WOUND ABOUT A ROTATING DRUM IS DISCHARGED INTO A ROTATING RECEPTACLE TO FORM SPIRAL LAYERS OF THE CONTINOUS WORKPIECE; THE COMBINATION OF FIRST ELECTIRCAL MOTOR MEANS FOR FORCIBLY ROTATING SAID DRUM, SECOND ELECTRICAL MOTOR MEANS FOR ROTATING SAID RECEPTACLE, MEANS FOR GENERATING A FIRST ELECTRICAL SIGNAL VL WHICH VARIES AS A FUNCTION OF THE SPEED OF THE FIRST MOTOR MEANS, MEANS FOR GENERATING A SECOND ELECTRICAL SIGNAL VR WHICH VARIES AS A FUNCTION OF THE SPEED OF THE SECOND MOTOR MEANS, AND CONTROL CIRCUIT APPARATUS RESPONSIVE TO SAID FIRST AND SECOND ELECTRICAL SIGNALS FOR CAUSING SAID SECOND ELECTRICAL MOTOR MEANS TO CYCLICALLY INCREASE AND DECREASE ITS SPEED WITH RESPECT TO SAID FIRST MOTOR MEANS WHEREBY A FIRST SPIRAL LAYER OF INCREASING DIAMETER WILL BE FORMED IN SAID RECEPTACLE WHEN THE SPEED OF THE SECOND MOTOR MEANS DECREASES WITH RESPECT TO THAT OF THE FIRST MOTOR MEANS AND A SECOND SPIRAL LAYER OF DECREASING DIAMETER WILL BE FORMED OVER THE FIRST LAYER IN THE RECEPTACLE WHEN THE SPEED OF THE SECOND MOTOR MEANS INCREASES WITH RESPECT TO THAT OF THE FIRST MOTOR MEANS.
References Cited (Backward Citations)
US3042336A
Cited
US2929577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |